Photos by Walter Cooper Given the immedate success of the J/70, with hundreds of boats sold before the first was built, it was a foregone conclusion that the J/70 would end up among the judges' favorites. With their latest sensation J/Boats has its first ramp-launchable sportboat and a polished set of class rules in place before the first big regatta (Quantum Key West) in January. The judges all agreed it delivered the excitement of a small sportboat, and the stiffness and handling of a big